After exercise, due to certain neural excitement, it can stimulate the conversion of liver glycogen into glucose, thus leading to an increase in blood sugar. It is not to deny the benefits of exercise on blood glucose after the increase of blood glucose caused by exercise, but to say that insulin sensitivity can be improved by insisting on exercising for a long time and reducing body fat and energy. After exercise, blood glucose only rises for a short period of time, and in the long run, it belongs to a gradual decline trend. If you are worried about the adverse effects of excessive exercise on blood sugar, you can monitor your blood sugar before, during and after exercise to understand the relationship between the amount of exercise and blood sugar, so that you can better arrange your exercise.